Thu 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | |  |  |  |  |  | | | | |  | |
light rain | heavy rain | light rain | light rain | rain shwrs | clear | clear | clear | some clouds | cloudy | mod. rain | heavy rain | light rain | rain shwrs | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1 | 15 | 5 | 2 | 4 | — | — | — | — | — | 7 | 13 | 2 | 1 | — | — | — |
max °C | 15 | 12 | 14 | 13 | 11 | 13 | 12 | 8 | 14 | 14 | 14 | 14 | 11 | 10 | 13 | 12 | 8 |
min °C | 11 | 11 | 14 | 12 | 9 | 12 | 9 | 8 | 13 | 11 | 11 | 14 | 11 | 7 | 10 | 8 | 7 |
chill °C | 9 | 8 | 12 | 10 | 6 | 10 | 6 | 5 | 12 | 11 | 10 | 12 | 8 | 4 | 8 | 7 | 6 |
Humid % | 69 | 98 | 93 | 95 | 91 | 74 | 60 | 69 | 39 | 59 | 84 | 98 | 97 | 81 | 51 | 70 | 63 |
Freeze m | 3250 | 3150 | 3300 | 3150 | 2700 | 2500 | 3150 | 3600 | 3550 | 3700 | 3750 | 4150 | 3850 | 3500 | 3550 | 3600 | 3600 |
 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 5:21 | — | — | 5:19 | — | — | 5:17 | — | — | 5:16 | — | — | 5:15 | — | — | 5:15 | — |
Next 3 days weather summary:Heavy rain (total 27.0mm), heaviest during Thu night. Very mild (max 15°C on Thu afternoon, min 8°C on Sat night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sun morning). | Days 4-6 weather summary:Heavy rain (total 23.0mm), heaviest during Mon morning. Very mild (max 14°C on Sun afternoon, min 7°C on Mon night). Mainly strong winds. | ||||||||||||||||
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche information: Japan Avalanche Network
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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